Pull sn-features into release branch

[linux-2.6] / fs / jbd / transaction.c

diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 77b7662b840b480f681c8cc889c5689d2b60f253..49bbc2be3d72937ba4719e656a140bf1c9ea7aba 100644 (file)
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -490,23 +490,21 @@ void journal_unlock_updates (journal_t *journal)
  */
 static void jbd_unexpected_dirty_buffer(struct journal_head *jh)
 {
-       struct buffer_head *bh = jh2bh(jh);
        int jlist;
 
-       if (buffer_dirty(bh)) {
-               /* If this buffer is one which might reasonably be dirty
-                * --- ie. data, or not part of this journal --- then
-                * we're OK to leave it alone, but otherwise we need to
-                * move the dirty bit to the journal's own internal
-                * JBDDirty bit. */
-               jlist = jh->b_jlist;
-
-               if (jlist == BJ_Metadata || jlist == BJ_Reserved || 
-                   jlist == BJ_Shadow || jlist == BJ_Forget) {
-                       if (test_clear_buffer_dirty(jh2bh(jh))) {
-                               set_bit(BH_JBDDirty, &jh2bh(jh)->b_state);
-                       }
-               }
+       /* If this buffer is one which might reasonably be dirty
+        * --- ie. data, or not part of this journal --- then
+        * we're OK to leave it alone, but otherwise we need to
+        * move the dirty bit to the journal's own internal
+        * JBDDirty bit. */
+       jlist = jh->b_jlist;
+
+       if (jlist == BJ_Metadata || jlist == BJ_Reserved ||
+           jlist == BJ_Shadow || jlist == BJ_Forget) {
+               struct buffer_head *bh = jh2bh(jh);
+
+               if (test_clear_buffer_dirty(bh))
+                       set_buffer_jbddirty(bh);
        }
 }
 
@@ -574,9 +572,14 @@ repeat:
                        if (jh->b_next_transaction)
                                J_ASSERT_JH(jh, jh->b_next_transaction ==
                                                        transaction);
-                       JBUFFER_TRACE(jh, "Unexpected dirty buffer");
-                       jbd_unexpected_dirty_buffer(jh);
-               }
+               }
+               /*
+                * In any case we need to clean the dirty flag and we must
+                * do it under the buffer lock to be sure we don't race
+                * with running write-out.
+                */
+               JBUFFER_TRACE(jh, "Unexpected dirty buffer");
+               jbd_unexpected_dirty_buffer(jh);
        }
 
        unlock_buffer(bh);
@@ -1337,8 +1340,7 @@ int journal_stop(handle_t *handle)
        if (handle->h_sync) {
                do {
                        old_handle_count = transaction->t_handle_count;
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(1);
+                       schedule_timeout_uninterruptible(1);
                } while (old_handle_count != transaction->t_handle_count);
        }